Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: SNDKCA882MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-751 2 San Diego: Linda Vista DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-768 3 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 4 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 5 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-768 7 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-03-26   
858-777 A La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-860 A San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-860 2 San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-860 3 San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-860 7 San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-860 8 San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-863 2 San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2007-12-21   
858-866 A La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 0 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 1 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 2 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 3 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 5 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-866 7 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-869 A La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-869 6 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-869 8 La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-875 A La Jolla CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      
858-935 6 San Diego: Mira Mesa DA CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732   2008-11-17   
858-947 2 Del Mar CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 732      

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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